Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Touch Panel Switch does not Function

CAUTION / NOTICE / HINT

NOTICE:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

Click here

PROCEDURE

1.

CHECK MULTI-DISPLAY

(a) Check if there is any foreign matter caught between the display and exterior frame of the multi-display.

OK:

No foreign matter is caught between the display and exterior frame of the multi-display.

HINT:

  • If there is foreign matter between the display and exterior frame of the multi-display, the touch panel will remain pressed, preventing touch switch operation.
  • If the engine switch is turned on (ACC) or on (IG) with part of your hand touching the multi-display, the display may stop responding correctly.
NG

REMOVE FOREIGN MATTER

OK

2.

CHECK TOUCH PANEL

(a) Check for foreign matter on the display.

OK:

The display is clean.

NG

CLEAN DISPLAY AND RECHECK TOUCH PANEL

OK

3.

CHECK TOUCH SWITCH (OPERATION CHECK)

(a) Enter the "Touch Switch Check" screen. Refer to Check Touch Switch in Operation Check.

Click here

(b) Touch the display in the area where the switch malfunction occurs.

OK:

A "+" mark appears at the touched position.

OK

REPLACE MULTI-DISPLAY ASSEMBLY

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Panel Switches do not Function
    CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precau ...

    "No GPS signal" mark is displayed
    CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precau ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Dynamic Torque Control Awd System: Parts Location
    PARTS LOCATION ILLUSTRATION *1 ECM *2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) *3 ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY - 4WD LINEAR SOLENOID *4 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - ECU-IG1 NO. 5 FUSE ILLUSTRATION *A w/o AVS *B w/ AVS ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Smart Access System With Push-button Start (for Entry Function): Terminals Of Ecu
    TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the J41 certification ECU (smart key ECU assembly) connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Tester Connection Input/Output Wiring Color Terminal Descripti ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2025 Copyright www.lexusrx.net
    0.016